The wildly unlikely tale of how the impromptu, hastily recorded ‘Tequila’ became a smash hit

The Champs’ 1958 hit “Tequila” is one of the most popular instrumental pop songs of all time, and for good reason. For decades, the fun, upbeat tune has been a staple at parties, wedding receptions, and sporting events, with crowds knowing exactly when to shout out the song’s single…